43431421334104 has 16 divisors (see below), whose sum is σ = 82348902811800. Its totient is φ = 21471713917632.

The previous prime is 43431421334101. The next prime is 43431421334141. The reversal of 43431421334104 is 40143312413434.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43431421334101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30499592922 + ... + 30499594345.

Almost surely, 2^{43431421334104} is an apocalyptic number.

It is an amenable number.

43431421334104 is a deficient number, since it is larger than the sum of its proper divisors (38917481477696).

43431421334104 is a wasteful number, since it uses less digits than its factorization.

43431421334104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60999187362 (or 60999187358 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 37.

Adding to 43431421334104 its reverse (40143312413434), we get a palindrome (83574733747538).

The spelling of 43431421334104 in words is "forty-three trillion, four hundred thirty-one billion, four hundred twenty-one million, three hundred thirty-four thousand, one hundred four".